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Non-Transient Non-Community Water System · PWS 093534014

Ojo Encino Day School (New) - BIA

Gallup, EPA Region 9 — Tribal Water Systems 87301 - drinking water served from surface water sources to 192 people, tracked in EPA SDWIS and UCMR5.

192
People served
20
EPA violations
2
Health-based
Untested
UCMR5 result

The verdict

EPA records 20 drinking-water violations at Ojo Encino Day School (New) - BIA, 10% of them health-based.

20
Total EPA violations on record
10%
Health-based (MCL / treatment failure)
192
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ojo Encino Day School (New) - BIA

Ojo Encino Day School (New) - BIA is a federal-owned non-transient non-community water system that delivers drinking water to 192 residents in Gallup, EPA Region 9 — Tribal Water Systems through 20 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 20 total violations for this system , of which 2 (10%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 17 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is TTHM, recorded in 6 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

EPA Region 9 — Tribal Water Systems has thousands of regulated public water systems tracked by EPA under the Safe Drinking Water Act.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
192
Total Violations
20
Health-Based Violations
2
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Federal
Connections
20
School/Daycare
Yes
MCL Violations
2
Monitoring Violations
17
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 6 2025
Total Haloacetic Acids (HAA5) MR 5 2025
Lead and Copper Rule MR 5 2022
Revised Total Coliform Rule MCL 1 2023
Coliform (TCR) MCL 1 2015
Coliform (TCR) MR 1 2014

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Ojo Encino Day School (New) - BIA.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID 093534014 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

EPA Region 9 — Tribal Water Systems Drinking Water Authority

EPA Region 9 — Tribal Water Systems's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find 09 regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 TTHM MR 6 SDWIS / 093534014 / 2950
2025 Total Haloacetic Acids (HAA5) MR 5 SDWIS / 093534014 / 2456
2023 Revised Total Coliform Rule MCL 1 SDWIS / 093534014 / 8000
2022 Lead and Copper Rule MR 5 SDWIS / 093534014 / 5000
2015 Coliform (TCR) MCL 1 SDWIS / 093534014 / 3100
2014 Coliform (TCR) MR 1 SDWIS / 093534014 / 3100

How Ojo Encino Day School (New) - BIA Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Ojo Encino Day School (New) - BIA EPA Region 9 — Tribal Water Systems avg Federal benchmark
Total violations 20 - SDWA compliance, any non-zero count is a recorded breach
Health-based violations 2 - Indicates a contaminant exceeded a federal MCL
PFAS detection None - EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 192 - Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across all regulated public water systems in EPA Region 9 — Tribal Water Systems.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Ojo Encino Day School (New) - BIA water safe to drink?
Ojo Encino Day School (New) - BIA (PWS ID: 093534014) has 20 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 192 people using Surface Water sources.
How many people does Ojo Encino Day School (New) - BIA serve?
Ojo Encino Day School (New) - BIA serves 192 people in Gallup, EPA Region 9 — Tribal Water Systems. It is a Federal-owned system using Surface Water water sources with 20 service connections.
What type of violations does Ojo Encino Day School (New) - BIA have?
Ojo Encino Day School (New) - BIA has 20 total violations: 2 health-based violations (MCL exceedances or treatment failures), 17 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ojo Encino Day School (New) - BIA water?
No PFAS testing data is available for Ojo Encino Day School (New) - BIA under the EPA's UCMR5 monitoring program.
What water source does Ojo Encino Day School (New) - BIA use?
Ojo Encino Day School (New) - BIA uses Surface Water as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.